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Finding the Fourth Proportional to 606,710.90, 910,080.44 and 157,449.49

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Solution

The fourth proportional to 606,710.90, 910,080.44 and 157,449.49 is: 236,177.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,710.90 : 910,080.44 = 157,449.49 : x
  2. Step 2: Convert to fraction form
    606,710.90/910,080.44 = 157,449.49/x
  3. Step 3: Cross multiply
    606,710.90x = 910,080.44 × 157,449.49
  4. Step 4: Simplify right side
    606,710.90x = 143,291,701,136.98
  5. Step 5: Solve for x
    x = 143,291,701,136.98/606,710.90
  6. Step 6: Final answer
    x = 236,177.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.